有时无法加载奖励视频广告

我已经推出了一个iOS应用程序,但是我在使用谷歌移动广告SDK加载有奖视频广告时遇到了问题。

当一个播放器点击按钮看视频广告时,该播放器会显示几次视频。大多数情况下,用户会显示一个admob无法填充请求的错误:

Error Domain=com.google.ads Code=1 "Request Error: No ad to show."

有时候,他们需要点击几下才能得到一个,有时候,不管点击多少次,他们都无法得到一个。这个问题更多的发生在我的奖励视频上,但也发生在我的横幅广告上。有时谷歌无法为我提供横幅广告。有人知道为什么这不起作用吗?

我的广告代码:

override func viewDidLoad() {
    super.viewDidLoad()
    if let view = self.view as! SKView? {
        // Load the SKScene from 'GameScene.sks'
        let scene = MainMenu(view.bounds.size, self, nil)

        scene.scaleMode = .aspectFill

        // Present the scene
        view.presentScene(scene)


        view.ignoresSiblingOrder = true

        view.showsFPS = false
        view.showsNodeCount = false
        view.showsPhysics = false

        GADRewardBasedVideoAd.sharedInstance().delegate = self
        GADRewardBasedVideoAd.sharedInstance().load(getRequest(),
                                                    withAdUnitID: rewardAdId)

        // In this case, we instantiate the banner with desired ad size.
        if GameViewController.bannerView == nil {
            GameViewController.bannerView = GADBannerView(adSize: kGADAdSizeBanner)
            GameViewController.bannerView.adUnitID = bannerId
            GameViewController.bannerView.rootViewController = self
            GameViewController.bannerView.load(getRequest())
            GameViewController.bannerView.isHidden = true

            addBannerViewToView(GameViewController.bannerView)
        }
        authenticateLocalPlayer()
        QuestManager().checkForRefresh()
    }
}

public func getRequest() -> GADRequest {
    let request = GADRequest()
    return request
}

public func displayRewardedVideo() {
    if GADRewardBasedVideoAd.sharedInstance().isReady {
        GADRewardBasedVideoAd.sharedInstance().present(fromRootViewController: self)
    } else {
        GameViewController.loadVideo()
    }
}

public static func loadVideo(){
    if !GADRewardBasedVideoAd.sharedInstance().isReady {
    GADRewardBasedVideoAd.sharedInstance().load(GADRequest(),
                                                withAdUnitID: rewardAdId)
    }
}

func rewardBasedVideoAdDidClose(_ rewardBasedVideoAd: GADRewardBasedVideoAd) {
    GADRewardBasedVideoAd.sharedInstance().load(getRequest(),
                                                withAdUnitID: rewardAdId)
    if let scene = gameScene {
        scene.audioManager.unmmute()
    }

    print("Video did close")
}